code: def classifier_module():
      """Return a simple classifier module class."""
      from skorch.toy import make_classifier
  
      return make_classifier(
          input_units=20,
          hidden_units=10,
          num_hidden=2,
          dropout=0.5,
      )
  
file_path: skorch/skorch/tests/conftest.py
imports: import numpy
  import pytest
  from sklearn.datasets import make_classification
  from sklearn.datasets import make_regression
  from sklearn.preprocessing import StandardScaler
  import torch
  from torch import nn
label_desc: Use image node_id 3 for calling a global function with example usage: classifier_module() and returns: make_classifier